Respiratory effects of low-level photochemical air pollution in amateur cyclists.

abstract：:The Child Health Questionnaire (CHQ-PF50) is one of several recent efforts to gauge pediatric, health-related quality of life from the patient's (or parent's) perspective. Although tested extensively with healthy children, more information is needed about CHQ performance among children with chronic conditions such as ...

journal_title：American journal of respiratory and critical care medicine

authors： Asmussen L,Olson LM,Grant EN,Landgraf JM,Fagan J,Weiss KB

更新日期：2000-10-01 00:00:00

abstract：:The present studies were designed to assess the pattern of activity and the frequency of activation of the neck muscles in patients with chronic obstructive pulmonary disease (COPD). Using concentric needle electrodes, we thus recorded the electromyograms of the scalene, sternocleidomastoid, and trapezius muscles duri...

journal_title：American journal of respiratory and critical care medicine

authors： De Troyer A,Peche R,Yernault JC,Estenne M

更新日期：1994-07-01 00:00:00

abstract：BACKGROUND:The use of biomass as a cooking fuel is commonplace in developing countries and has been associated with chronic bronchitis and obstructive airway disease. METHODS:A cross-sectional survey was done in the village of Solis, close to Mexico City. Lifelong nonsmoking women 38 yr of age or older (n=841) complet...

journal_title：American journal of respiratory and critical care medicine

authors： Regalado J,Pérez-Padilla R,Sansores R,Páramo Ramirez JI,Brauer M,Paré P,Vedal S

更新日期：2006-10-15 00:00:00

abstract：:Ten patients with acute respiratory distress syndrome (ARDS) received in random order nitric oxide (NO) inhalation, aerosolized prostaglandin E1 (PGE1), infusion of PGE1, or no intervention. Inhalation of either aerosolized PGE1 (10 +/- 1 ng/kg/min) or NO (7 +/- 1 ppm) reduced pulmonary vascular resistance (PVR) from ...

journal_title：American journal of respiratory and critical care medicine

authors： Putensen C,Hörmann C,Kleinsasser A,Putensen-Himmer G

更新日期：1998-06-01 00:00:00

abstract：RATIONALE:Little is known about the long-term outcomes and costs of survivors of acute respiratory distress syndrome (ARDS). OBJECTIVES:To describe functional and quality of life outcomes, health care use, and costs of survivors of ARDS 2 yr after intensive care unit (ICU) discharge. METHODS:We recruited a cohort of ...

journal_title：American journal of respiratory and critical care medicine

authors： Cheung AM,Tansey CM,Tomlinson G,Diaz-Granados N,Matté A,Barr A,Mehta S,Mazer CD,Guest CB,Stewart TE,Al-Saidi F,Cooper AB,Cook D,Slutsky AS,Herridge MS

更新日期：2006-09-01 00:00:00

abstract：:The effect of patient education on steroid inhaler compliance and rescue medication utilization in patients with asthma or chronic obstructive pulmonary disease (COPD) has not been previously investigated in a single study. We randomized 78 asthmatics and 62 patients with COPD after ordinary outpatient management. Int...

journal_title：American journal of respiratory and critical care medicine

authors： Gallefoss F,Bakke PS

更新日期：1999-12-01 00:00:00

abstract：RATIONALE:There are few follow-up studies on long-term cardiopulmonary function after pulmonary endarterectomy (PEA), the operation of choice for chronic thromboembolic pulmonary hypertension (CTEPH). OBJECTIVES:To prospectively evaluate long-term outcome of patients with CTEPH treated with PEA. METHODS:Between 1994 ...

journal_title：American journal of respiratory and critical care medicine

authors： Corsico AG,D'Armini AM,Cerveri I,Klersy C,Ansaldo E,Niniano R,Gatto E,Monterosso C,Morsolini M,Nicolardi S,Tramontin C,Pozzi E,Viganò M

更新日期：2008-08-15 00:00:00

abstract：:The potential role of nitric oxide synthase-2 (NOS2) in acute lung injury (ALI) has gained increasing attention. This study evaluates the effects of hypoxia, an important feature of ALI, on NOS2 expression in a rat model of ALI caused by exposure to hypoxia and LPS. Exposure to hypoxia alone had no effect on the expre...

journal_title：American journal of respiratory and critical care medicine

authors： Agorreta J,Garayoa M,Montuenga LM,Zulueta JJ

更新日期：2003-08-01 00:00:00

abstract：RATIONALE:5-Hydroxytryptamine (5-HT) is involved in the pathogenesis of allergic airway inflammation (AAI). It is unclear, however, how 5-HT contributes to AAI and whether this depends on tryptophan hydroxylase (TPH) 1, the critical enzyme for peripheral 5-HT synthesis. OBJECTIVES:To elucidate the role of TPH1 and the...

journal_title：American journal of respiratory and critical care medicine

authors： Dürk T,Duerschmied D,Müller T,Grimm M,Reuter S,Vieira RP,Ayata K,Cicko S,Sorichter S,Walther DJ,Virchow JC,Taube C,Idzko M

更新日期：2013-03-01 00:00:00

abstract：RATIONALE:Although interferon (IFN)-gamma release assays are approved for the diagnosis of latent tuberculosis infection (LTBI), limited data exist regarding their performance in HIV infection. OBJECTIVES:To compare tuberculin skin test (TST) results to the commercial IFN-gamma release assay QuantiFERON-TB Gold In-Tub...

journal_title：American journal of respiratory and critical care medicine

authors： Luetkemeyer AF,Charlebois ED,Flores LL,Bangsberg DR,Deeks SG,Martin JN,Havlir DV

更新日期：2007-04-01 00:00:00

abstract：RATIONALE:Extracellular nucleotides have recently been identified as proinflammatory mediators involved in asthma pathogenesis by signaling via purinergic receptors, but the role of the purinergic receptor type 6 (P2Y6R) has not been previously investigated. OBJECTIVES:To investigate the role of P2Y6R in asthma pathog...

journal_title：American journal of respiratory and critical care medicine

authors： Vieira RP,Müller T,Grimm M,von Gernler V,Vetter B,Dürk T,Cicko S,Ayata CK,Sorichter S,Robaye B,Zeiser R,Ferrari D,Kirschbaum A,Zissel G,Virchow JC,Boeynaems JM,Idzko M

更新日期：2011-07-15 00:00:00

abstract：:Impaired lung epithelial Na(+) channel (ENaC) activity at the time of birth results in respiratory distress. To investigate potential mechanisms, the ontogeny and cellular distribution of the alphaENaC subunit mRNA expression was studied in normal, immature, and abnormal (hypoplastic) human fetal lungs using nonradioi...

journal_title：American journal of respiratory and critical care medicine

authors： Smith DE,Otulakowski G,Yeger H,Post M,Cutz E,O'Brodovich HM

更新日期：2000-04-01 00:00:00

abstract：RATIONALE:The relative contribution of body proportion and social exposures to ethnic differences in lung function has not previously been reported in the United Kingdom. OBJECTIVES:To examine ethnic differences in lung function in relation to anthropometry and social and psychosocial factors in early adolescence. ME...

journal_title：American journal of respiratory and critical care medicine

authors： Whitrow MJ,Harding S

更新日期：2008-06-01 00:00:00

abstract：:The safety of sputum induction and the reproducibility of measurements in induced sputum in multicenter studies is unknown. We examined the safety of sputum induction in a two-visit, six-center study in 79 subjects with moderate to severe asthma (mean +/- SD FEV(1) 71 +/- 12% predicted, 67% taking inhaled corticostero...

journal_title：American journal of respiratory and critical care medicine

authors： Fahy JV,Boushey HA,Lazarus SC,Mauger EA,Cherniack RM,Chinchilli VM,Craig TJ,Drazen JM,Ford JG,Fish JE,Israel E,Kraft M,Lemanske RF,Martin RJ,McLean D,Peters SP,Sorkness C,Szefler SJ,NHLBI Asthma Clinical Research Netw

更新日期：2001-05-01 00:00:00

abstract：:A study was done to compare the efficacy and safety of the coprescription of salmeterol 50 microgram twice daily or 100 microgram twice daily with beclomethasone dipropionate (BDP) 500 micrograms twice daily (SALM 50 and SALM 100) with BDP 1,000 microgram twice daily (BDP 1,000) in patients with asthma not controlled ...

journal_title：American journal of respiratory and critical care medicine

authors： Woolcock A,Lundback B,Ringdal N,Jacques LA

更新日期：1996-05-01 00:00:00

abstract：:Small airway disease is thought to contribute significantly to functional impairment caused by asthma. Functional evidence of airway-parenchyma uncoupling in asthma, such as loss of deep breath bronchodilator effect in bronchoconstrictive episodes and enhanced airway closure, has been previously demonstrated. Elastic ...

journal_title：American journal of respiratory and critical care medicine

authors： Mauad T,Silva LF,Santos MA,Grinberg L,Bernardi FD,Martins MA,Saldiva PH,Dolhnikoff M

更新日期：2004-10-15 00:00:00

abstract：:The purpose of this study was to evaluate the physiologic responses to endurance training in patients with moderate to severe airflow obstruction by specifically looking at changes in skeletal muscle enzymatic activities. Eleven patients (age = 65 +/- 7 yr, mean +/- SD, FEV1 = 36 +/- 11% of predicted value, range = 24...

journal_title：American journal of respiratory and critical care medicine

authors： Maltais F,LeBlanc P,Simard C,Jobin J,Bérubé C,Bruneau J,Carrier L,Belleau R

更新日期：1996-08-01 00:00:00

abstract：RATIONALE:Primary graft dysfunction (PGD) is the main cause of early morbidity and mortality after lung transplantation. Previous studies have yielded conflicting results for PGD risk factors. OBJECTIVES:We sought to identify donor, recipient, and perioperative risk factors for PGD. METHODS:We performed a 10-center p...

journal_title：American journal of respiratory and critical care medicine

authors： Diamond JM,Lee JC,Kawut SM,Shah RJ,Localio AR,Bellamy SL,Lederer DJ,Cantu E,Kohl BA,Lama VN,Bhorade SM,Crespo M,Demissie E,Sonett J,Wille K,Orens J,Shah AS,Weinacker A,Arcasoy S,Shah PD,Wilkes DS,Ware LB,Palme

更新日期：2013-03-01 00:00:00

abstract：:Inhaled corticosteroids are effective antiinflammatory therapy for asthma; however, they do not completely abolish allergen-induced airway inflammation. Leukotriene modifiers attenuate both early and late allergen responses and have antiinflammatory properties. We reasoned that treatment with budesonide and montelukas...

journal_title：American journal of respiratory and critical care medicine

authors： Leigh R,Vethanayagam D,Yoshida M,Watson RM,Rerecich T,Inman MD,O'Byrne PM

更新日期：2002-11-01 00:00:00

abstract：:Airway obstruction (AO) in exercise-induced asthma (EIA) is considered a postexercise phenomenon. However, many with EIA complain of respiratory distress during exercise. We evaluated AO in six asthmatic subjects during a short (SX = 6 min) and a long (LX = 20 min) exercise session. We measured peak expiratory flow (P...

journal_title：American journal of respiratory and critical care medicine

authors： Suman OE,Babcock MA,Pegelow DF,Jarjour NN,Reddan WG

更新日期：1995-07-01 00:00:00

abstract：RATIONALE:Congenital central hypoventilation syndrome (CCHS), a unique disorder of respiratory control associated with Hirschsprung disease (HSCR) and tumors of neural crest origin, results from polyalanine repeat expansion mutations in the paired-like homeobox (PHOX)2B gene in more than 90% of cases, and alternative P...

journal_title：American journal of respiratory and critical care medicine

authors： Berry-Kravis EM,Zhou L,Rand CM,Weese-Mayer DE

更新日期：2006-11-15 00:00:00

abstract：:Kaposi's sarcoma (KS) is the most common neoplasm in persons infected with the human immunodeficiency virus (HIV). However, information about the presenting features of pulmonary KS is limited. To describe the clinical, laboratory, and radiographic features of pulmonary KS, medical records and chest radiographs of 168...

journal_title：American journal of respiratory and critical care medicine

authors： Huang L,Schnapp LM,Gruden JF,Hopewell PC,Stansell JD

更新日期：1996-04-01 00:00:00

abstract：:Epidemiological data indicate that living or working in a moldy building is associated with increased risk of respiratory symptoms and disease related to inflammatory reactions, but biochemical evidence linking cause and effect is still scarce. The staff working in a mold-contaminated school, and a reference group wit...

journal_title：American journal of respiratory and critical care medicine

authors： Hirvonen MR,Ruotsalainen M,Roponen M,Hyvärinen A,Husman T,Kosma VM,Komulainen H,Savolainen K,Nevalainen A

更新日期：1999-12-01 00:00:00

abstract：RATIONALE:Pseudomonas aeruginosa is one of the leading causes of gram-negative ventilator-associated pneumonia (VAP) associated with a mortality rate of 34 to 68%. Recent evidence suggests that P. aeruginosa in patients with VAP may persist in the alveolar space despite adequate antimicrobial therapy. We hypothesized t...

journal_title：American journal of respiratory and critical care medicine

authors： El Solh AA,Akinnusi ME,Wiener-Kronish JP,Lynch SV,Pineda LA,Szarpa K

更新日期：2008-09-01 00:00:00

abstract：:The renin angiotensin system plays an important role in the development of pulmonary artery remodeling and right ventricular hypertrophy in hypoxia-induced pulmonary hypertension as may occur in patients with COPD. Several polymorphisms of genes encoding for components of the renin angiotensin system such as the M235T...

journal_title：American journal of respiratory and critical care medicine

authors： van Suylen RJ,Wouters EF,Pennings HJ,Cheriex EC,van Pol PE,Ambergen AW,Vermelis AM,Daemen MJ

更新日期：1999-06-01 00:00:00

abstract：:Numerous in vitro and in vivo studies in both animals and patients with asthma have shown that interleukin (IL)-9 is an important inflammatory mediator in asthma. To examine the effects of IL-9 antagonism on airway inflammation, ovalbumin-sensitized BALB/c mice were intravenously given anti-IL-9 antibody or an isotype...

journal_title：American journal of respiratory and critical care medicine

authors： Cheng G,Arima M,Honda K,Hirata H,Eda F,Yoshida N,Fukushima F,Ishii Y,Fukuda T

更新日期：2002-08-01 00:00:00

abstract：:A histologic feature of usual interstitial pneumonia is the presence of fibroblastic foci. As some patients with usual interstitial pneumonia and an underlying collagen vascular disease have a better prognosis, we hypothesized that they would have fewer fibroblastic foci. Pathologists reviewed surgical lung biopsies f...

journal_title：American journal of respiratory and critical care medicine

authors： Flaherty KR,Colby TV,Travis WD,Toews GB,Mumford J,Murray S,Thannickal VJ,Kazerooni EA,Gross BH,Lynch JP 3rd,Martinez FJ

更新日期：2003-05-15 00:00:00

abstract：:In a prospective, controlled, and randomized clinical trial, we examined the effects of treatment with vitamin D (1,000 IU/d), calcium (1 g/d), and ethane-1-hydroxy-1,1-diphosphonate (EHDP; 7.5 mg/kg body weight) on vertebral bone mass in fourteen asthmatics undergoing long-term treatment with systemically applied cor...

journal_title：American journal of respiratory and critical care medicine

authors： Worth H,Stammen D,Keck E

更新日期：1994-08-01 00:00:00

abstract：RATIONALE:Chronic bronchitis (CB) is characterized by persistent cough and sputum production. Studies were performed to test whether mucus hyperconcentration and increased partial osmotic pressure, in part caused by abnormal purine nucleotide regulation of ion transport, contribute to the pathogenesis of CB. OBJECTIVE...

journal_title：American journal of respiratory and critical care medicine

authors： Anderson WH,Coakley RD,Button B,Henderson AG,Zeman KL,Alexis NE,Peden DB,Lazarowski ER,Davis CW,Bailey S,Fuller F,Almond M,Qaqish B,Bordonali E,Rubinstein M,Bennett WD,Kesimer M,Boucher RC

更新日期：2015-07-15 00:00:00

abstract：:We investigated airway responsiveness to mannitol, a new hyperosmolar challenge, in persons hyperresponsive to airway drying. We studied 36 asthmatic subjects, 18 to 40 yr of age, responsive to exercise (n = 23) and eucapnic hyperventilation (n = 28) defined by a 10% fall in FEV1. Fifteen subjects performed both chall...

journal_title：American journal of respiratory and critical care medicine

authors： Brannan JD,Koskela H,Anderson SD,Chew N

更新日期：1998-10-01 00:00:00